Abstract: According to one embodiment, a lighting apparatus includes a main body including a flat thermal conduction surface. The thermal conduction surface contacts a back surface of a board. Light-emitting devices are mounted on a front surface of the board. An optical member is opposed to a peripheral part of the board on the front surface side of the board. The optical member is fastened to the main body by fastening members, to push the peripheral part of the board against the heat conduction surface of the main body.

Abstract: A lighting apparatus is provided with a plurality of light-emitting devices, a substrate, a blind member, and a reflector. The reflector is formed with a plurality of reflective surfaces corresponding to the light-emitting devices, individually. The shielding angle at which light emitted from that one of the light-emitting devices which is located on the outermost periphery is intercepted by the reflective surface corresponding to the outermost light-emitting device is greater than shielding angles at which light emitted from the light-emitting devices located inside the outermost light-emitting device is intercepted by the reflective surfaces corresponding to the inside light-emitting devices.

Abstract: A lighting apparatus according to an exemplary embodiment includes a light source including a light emitting element, a reflection portion main body that is formed of an incombustible resin and is provided at an emission side of the light source, and a reflection layer that is formed of resin substantially not containing halogen or phosphorus and is provided on a surface of the reflection portion main body.

Abstract: According to an exemplary embodiment, a lighting apparatus includes a light source that includes a light emitting element, and a member which is irradiated by light emitted from the light source and which is formed of resin substantially not containing halogen or phosphorus.

Abstract: A substrate for a lighting apparatus may include a plurality of light-emitting elements mounted thereon. The substrate may include a surface on which the plurality of light-emitting elements are mounted. Additionally or alternatively, the substrate may include stress absorbing element arranged on, in some examples, imaginary straight lines connecting portion for mounting the substrate with each other.

Abstract: According to an embodiment, a luminaire includes a thermal radiation member, and a light source unit provided on a front side of the thermal radiation member. The thermal radiation member has plural support poles provided on a rear surface radially about a substantially central portion of the rear surface toward an outer periphery, and plural thermal radiation fins provided on the rear surface, being away from each other and substantially parallel to each other toward the outer periphery from neighboring wall surface sides of the plural support poles. The light source unit includes a light-emitting element.

Abstract: A luminaire includes a plurality of light-emitting elements, and an optical member. The optical member is formed a refractive area of a Fresnel lens for each of the light-emitting elements individually and a reflective area of the Fresnel lens between the refractive areas.

Abstract: A light source unit is provided with a substrate and segments of a reflector. The substrate has a plurality of light-emitting devices mounted on its central and peripheral portions. The segments correspond to the light-emitting devices, individually. The segment corresponding to the light-emitting devices mounted on the central portion are higher in thermal radiation capacity than the segment corresponding to the light-emitting devices mounted on the peripheral portion.

Abstract: In one embodiment, a lighting apparatus includes a base electrically grounded and a substrate provided in the base in which an emitting element is mounted. A transmissive cover is arranged in the front side of the substrate, and a metallic holding element is fixed to the base for supporting a peripheral portion of the cover by pressing the peripheral portion from the front side.

Abstract: According to one embodiment, a lighting fixture includes a fixture body and a plurality of light-emitting modules. A plurality of light-emitting module arrangement portions are formed on the surface of the fixture body. The light-emitting modules are arranged on the light-emitting module arrangement portions of the fixture body and annularly arranged so that a space is formed at the center area of the fixture body. Semiconductor light-emitting elements are disposed on the surface of the light-emitting module, and a wiring connector is arranged at the space side of the substrate.

Abstract: A reflector built in a down light includes a plurality of floodlight openings respectively exposing a plurality of light-emitting elements to a front surface side, a plurality of radial partition walls which respectively partition and surround these floodlight openings, and an inner circumferential partition wall. Each of the partition walls has a ridge line, and the reflector includes a plurality of reflection concave surfaces each which open and widen from a respective one of the plurality of floodlight openings towards ridge lines of the plurality of partition walls which respectively surround the plurality of floodlight openings. The plurality of radial partition walls extend from the center of the reflector towards the outer circumference, and the inner circumferential partition wall is located between the center and the outer circumference.

Abstract: According to one embodiment, a lighting apparatus includes a main body including a flat thermal conduction surface. The thermal conduction surface contacts a back surface of a board. Light-emitting devices are mounted on a front surface of the board. An optical member is opposed to a peripheral part of the board on the front surface side of the board. The optical member is fastened to the main body by fastening members, to push the peripheral part of the board against the heat conduction surface of the main body.

Abstract: According to one embodiment, a power source unit includes a substrate and a reflective body. The substrate includes a plurality of light-emitting elements mounted thereon. The reflective body includes a plurality of incident openings each corresponding to one of the plurality of light-emitting elements, an output opening to which light that has passed through the incident opening is output, and a plurality of reflective surfaces that expand from the incident opening toward the output opening. Reflective surfaces included in the plurality of reflective surfaces and positioned on an outermost side are provided to be adjacent to one another, and an angle is set so as to prevent reflective light of light emitted from the light-emitting elements from traveling toward an outer side in a reflective surface formed on the outer side.

Abstract: LEDs, a reflector, and a baffle are disposed on the underside of the equipment main body. An emission opening for emitting light of the LEDs and a reflection surface for emitting light of the LEDs from the emission opening by reflecting the same are provided in the reflector. The baffle is disposed outside the direct light emission area where direct light from the LEDs is emitted from the emission opening of the reflector. The direct light from the LEDs can be picked up without being blocked by the baffle, and the light pick-up efficiency can be improved.

Abstract: A recessed luminaire includes a main body including a light source, a terminal base attachment member, which is fire-resistant and extending laterally from the main body, and a terminal base, which is disposed on a lower surface of the terminal base attachment member and to which power wires extending in parallel in a direction of extension of the terminal base attachment member are connected.

Abstract: A light source unit is provided with a substrate and segments of a reflector. The substrate has a plurality of light-emitting devices mounted on its central and peripheral portions. The segments correspond to the light-emitting devices, individually. The segment corresponding to the light-emitting devices mounted on the central portion are higher in thermal radiation capacity than the segment corresponding to the light-emitting devices mounted on the peripheral portion.

Abstract: A down-light has a main body, a substrate, a plurality of LEDs, a reflector, a central boss, a central screw and peripheral screws. The main body has a mounting area. The substrate having LEDs is assembled in the mounting area. The reflector is attached to the main body with the substrate interposed therebetween, and reflects light emitted from the LEDs. The central boss is formed on the mounting area to correspond to a central part of the substrate. The central screw fixes the central part of the substrate to the central boss from the reflector side. Peripheral screws fix the substrate to the main body by pulling the reflector from the main body side.

Abstract: A lighting apparatus is provided with a plurality of light-emitting devices, a substrate, a blind member, and a reflector. The reflector is formed with a plurality of reflective surfaces corresponding to the light-emitting devices, individually. The shielding angle at which light emitted from that one of the light-emitting devices which is located on the outermost periphery is intercepted by the reflective surface corresponding to the outermost light-emitting device is greater than shielding angles at which light emitted from the light-emitting devices located inside the outermost light-emitting device is intercepted by the reflective surfaces corresponding to the inside light-emitting devices.